ETC Source Four LED Series Assembly Manual

Product information and specifications subject to change.

Part Number:

7060M2500-06.01

Rev B

Released: July 2015

Assembly Guide

Production Dates: September 2004 - Present

ATTENTION: The part numbers listed in this guide may differ from the parts

required for your particular Source Four fixture. Part numbers for

fixtures change occasionally as parts are replaced or upgraded.

To ensure that you are ordering the proper part for your specific

fixture, please contact your ETC dealer, or ETC Customer Service

for assistance.

i Table of Contents

Table of Contents

Basic Fixture. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Assembling basic fixture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Lamp Burner Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Assembling lamp socket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Reflector Housing Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Removing reflector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Installing reflector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Cleaning reflector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Shuttle Barrel Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Assembling front barrel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Lens Tubes - 19° to 50° . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Assembling lens tube - 19° to 50° . . . . . . . . . . . . . . . . . . . . . . .15

Cleaning glass lens - 19° to 50° and all EDLT lenses . . . . . . . .18

Lens Tube - 10° . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Lens Tube - 5° . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Assembling lens tubes - 5° and 10°. . . . . . . . . . . . . . . . . . . . . .21

Cleaning polymer lens - 5° and 10° . . . . . . . . . . . . . . . . . . . . . .21

Lens Tube - 14° . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Assembling lens tube - 14° . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Cleaning glass lenses - 14° . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Lens Tube - 70° . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Assembling lens tube - 70° . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Cleaning glass lens - 70°. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Lens Tube - 90° . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Assembling lens tube - 90° . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

Cleaning glass lens - 90°. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

ETC

, Emphasis

, Expression

, Insight™, Imagine™, Focus™, Express™, Unison

, Obsession

II, ETCNet2™,

EDMX™, Source Four

, Revolution

, Sensor

, and WYSILink™ are either registered trademarks or trademarks

of Electronic Theatre Controls, Inc. in the United States and other countries.

All other trademarks, both marked and not marked, are the property of their respective owners.

Basic Fixture 1

Basic Fixture

Reference

Number

Part

Number

Description Quantity

Required

1 7060A2008 Lamp burner assembly rated up to 750W, Black 1

2 7060A2011-K Reflector housing assembly, single clutch, Black 1

3 7060A2011-K1 Reflector housing assembly, single clutch, White 1

4 7060A2020-K Reflector housing assembly, double clutch, Black 1

5 7060A2020-K1 Reflector housing assembly, double clutch, White 1

6 7060A2012-K Shutter barrel assembly, Black 1

7 7060A2012-K1 Shutter barrel assembly, White 1

8 7060A2000-K 5° lens tube, with knob 1

9 7060A2001-K 10° lens tube, with knob 1

10 7060A2050-K 14° lens tube, with knob 1

11 7060A2002-K 19° lens tube (6 x 16), with knob 1

12 7060A2003-K 26° lens tube (6 x 12), with knob 1

13 7060A2004-K 36° lens tube (6 x 9), with knob 1

14 7060A2005-K 50° lens tube (4.5 x 6), with knob 1

15 7060A2051-K 70° lens tube, with knob 1

16 7060A2052-K 90° lens tube, with knob 1

17 7060A4008-01 Knob set with male insert 2

18 HW5143 Washer, flat fiber 1

19 HW5197 Screw, 1/4-20 x 5/8, black zinc 1

Note:

Any part that is indicated as “Black” may be also ordered in white or silver. When

ordering white, use the part number suffix -1, and for silver, use the part number

suffix -5.

Figure 1

Color frame

Gel retainer

clip

2 Source Four Assembly Guide

Assembling basic fixture

Step 1: Follow instructions under Assembling lamp socket, page 5.

Step 2: Follow instructions under Reflector Housing Assembly, page 8.

Step 3: Follow instructions under Shuttle Barrel Assembly, page 11.

Step 4: Assemble Lens Tubes following the instructions for your applicable lens degree

application.

Step 5: Insert lens tube assembly (8-16) fully into the front barrel assembly (6-7). Align

the mounting hole with the slot and secure with knob (17). See Figure 1.

Step 6: Install reflector housing (2-5) onto front barrel assembly (6-7) and align the two

mounting holes. Secure with screw (19) on top, and knob (17) on bottom. Tighten

both securely. See Figure 1.

Step 7: Install the lamp socket assembly (1) to the reflector housing (2-5) and secure with

brass knurled screw on rear of lamp socket assembly.

Step 8: Release the gel retaining clip by pushing it sideways while gently pulling

backwards.

Step 9: Insert the color frame.

Step 10: Lock the clip by pushing sideways while gently pushing it forward.

Lamp Burner Assembly 3

Lamp Burner Assembly

Reference

Number

Part

Number

Description Quantity

Required

1 7060A1033 Lamp retainer retrofit kit (Note: Does not include socket) 1

2 7060A2015

Light baffle retrofit kit

Includes socket w/ mounting hardware and sleeve

3 7060A3007

Socket, light baffle casting (Note: For all related fixtures regardless

of color)

4 7060A3011 Hub, index casting 1

5 7060A3012 Spring, lamp retainer 1

6 7060A3025 Screw, 1/4-20 x 1.55 knurled head 1

7 7060A3055 Housing, socket, casting, Black 1

8 7060A3056 Clamp, strain relief, Black 1

9 7060A3085 Lamp retainer wire 1

10 7060A4007 Knob, X-Y, lamp set 1

11 7060A4008-02 Knob, Z, lamp set w/ female insert 1

12 7060A4011 Bushing cup 1

13 7060A4019 Label, Fixture Warning 1

14 7060A4037 Handle, Insulated Rear, Black 1

15 7060A4094 750W Handle label, Black 1

16 7060A4095 Label, 750W Handle, White 1

17 7060B7003

48" Source Four ground wire assembly

W420 wire, 16 Awg, 200C/300V, green, UL 1180/CSA w/ J490T

lugs

18 7060B7007

4" Source Four ground wire assembly

W420 wire, 16 Awg, 200C/300V green, UL 1180/CSA w/ J490T

lugs

19 7060B7019 S4 UL Socket Assy 1

20 HW2125 Screw, 6-32 x 3/8” PhFHTC (lamp blocking screw not pictured) 1

21 HW2181 Screw, self tap, 6-32 x 5/8, black zinc 4

22 HW3103 Screw, 8-32 x 5/8 PhFHMS, black zinc 2

239

Figure 2

4 Source Four Assembly Guide

23 7060A3204 Bolt, 1/4-20 x 1 3/4”, full thread 1

24 HW5123 Nut, hex, 9/16-18, black zinc 1

25 HW534 Nut, hex, 1/4-20, black zinc 1

26 HW746 Screw Retainer Flat 12-6-1 1

27 HW747 Washer, wave 1

28 HW748 Spring, compression CO720-072 1

29 HW749 Spring Ground 1

30 HW8209 Clip, Tinnerman 1

31 W6195 Sleeve, fiberglass 39”, 5/16”, Black 1

32 W689-1 Sleeve, fiberglass 39”, 5/16”, White 1

Note:

Any part that is indicated as “Black” may be also ordered in white or silver. When

ordering white, use the part number suffix -1, and for silver, use the part number

suffix -5.

Reference

Number

Part

Number

Description Quantity

Required

Lamp Burner Assembly 5

Assembling lamp socket

Tools Required:

• Open-end adjustable wrench or a 7/16” socket

• Needle-nose pliers

• #2 Phillips screwdriver

Step 1: Set the crossbar of the retainer clip (9) under the two hooks on the clip bracket

as shown in Figure 3.

Step 2: Place the Tinnerman clip (30) over the retainer clip crossbar between the two

hooks and press it down firmly until it snaps into place.

Step 3: Insert the bolt (23) through the light baffle socket casting (3). See Figure 4.

Step 4: Install the green ground wire assemblies (17 and 18) on the bolt (23) with the

prongs on the crimped connectors toward the casting. Run both wires through

the indent in the lip around the bolt hole. Secure with nut (25) and tighten

securely (60 inch pounds).

Step 5: Place the socket assembly (19) into the light baffle socket casting (3). Be sure it

is well seated.

Figure 3

Figure 4

6 Source Four Assembly Guide

Step 6: Install the lamp retainer spring (5). The lamp retainer spring secures the socket.

Insert the spring one end at a time, making sure the rectangular slot in each side

of the spring seats on the corresponding tab in the casting. See Figure 4.

Step 7: Install the bushing cup (12) into the housing socket casting (7) as shown in

Figure 5. The cup should slide smoothly up and down, but not side to side.

Step 8: Insert the threaded end of the index hub (4) through the holes in the bushing cup

and the back of the housing socket casting (7).

Step 9: Slide the X-Y knob (10) over the exposed index hub bolt (4), then insert the wave

washer (27) on the bolt and secure with the 9/16 hex nut (24). Hand tighten the

X-Y knob (10).

Step 10: Insert the knurled head screw (6) through the housing socket (7) casting as

shown in Figure 6.

Step 11: Install the shorter green ground wire (18) onto the screw. The prongs on the

crimped connector should be toward the casting.

Step 12: Install the ground spring (29) onto the screw and secure it with the Southco flat

retaining ring (26). Install the Southco ring with its prongs away from the casting.

Note:

If the spring does not seat correctly, coax it into place with a screwdriver or needle-

nose pliers.

Note:

Install the wave washer with the upward curve toward the hex nut.

Note:

Use pliers to straighten the Southco retaining ring (26) if it bends when you install

it on the bolt.

Figure 5

Cable Clamp in

Housing

Figure 6

Figure 7

Green wires

White wires

Lamp Burner Assembly 7

Step 13: Lay the leads in the bottom half of the cable clamp (located in the housing socket

casting [7]), making sure that the fiberglass sleeving extends slightly past the

screw holes in the housing socket casting. Install new sleeving if necessary.

Then, route the wires as shown in Figure 7.

Step 14: Install the top half of the cable clamp (8) and secure it with the two screws (22).

Tighten the screws alternately to ensure a solid connection.

Step 15: Using the four screws (21), attach the handle (14) to the lamp socket assembly.

See Figure 2.

Step 16: Place the compression spring (28) on the protrusion on the inside of the index

hub. See Figure 6.

Step 17: Insert bolt (23) through spring (28) and through the index hub (4) of the housing

socket (7), joining the two castings as shown in Figure 6. Make sure wires are

not pinched between the two pieces.

Step 18: Before proceeding, check again to make sure the wires are still positioned as

indicated in Figure 7. Adjust if necessary.

Step 19: Press the two castings together firmly so the bottom of the light baffle (3) sits on

top of the cable clamp (8), then install Z lamp knob (11). Hand tighten the knob

all the way to the right. See Figure 6.

CAUTION:

You must follow the wire routing diagram to ensure that the socket leads do not

interfere with the lamp focus mechanism.

Note:

To ensure that the clamp holds the cable tightly, flatten the cable, then fold over

the sleeving before you install the top half of the clamp. Make sure the top edge

of the cable clamp is even with the edge of the socket to prevent interference with

lamp focus movement. Make sure sleeving is not pinched.

CAUTION:

You must install Z knob as described above to ensure proper lamp focus travel.

8 Source Four Assembly Guide

Reflector Housing Assembly

Reference

Number

Part

Number

Description Quantity

Required

1 7060A2013-K Reflector housing rivet assembly, single clutch, Black 1

2 7060A2019-K Reflector housing rivet assembly, double clutch, Black 1

3 7060A3006 Clip, reflector retainer 4

4 7060A3019 Spring, reflector support 1

5 7060A3058 Bracket, Yoke, Black 1

6 7060A3080 Light leak baffle, Black 2

7 7060A4008-01 Knob set with male insert 1

8 7060A4010 Bushing, gate 4

9 7060A4015 Reflector, molded glass, coated 1

10 HW5125 Bolt, carriage 5/16-18 x 3/4” LG 2

11 HW5126 Washer, flat, 5/16, black zinc 4

12 HW5127 Nut, hex, 5/16-18 2

13 HW5193 Bolt, hex, 5/16-18 x 3/4”, black zinc 2

14 HW5197 Screw, PH, 1/4-20 x 5/8”, black zinc 1

15 HW752 Rivet, machine, 3/16 x 31, oval head, black zinc 4

16 HW8144 Handle, yoke, knob, 5/16-15, Black 2

Note:

Any part that is indicated as “Black” may be also ordered in white or silver. When

ordering white, use the part number suffix -1, and for silver, use the part number

suffix -5.

Double-clutch reflector housing

for 5°and 10° fixtures.

Figure 8

Reflector Housing Assembly 9

Removing reflector

Tools Required:

• Minimally padded work surface (cardboard, carpet, or rubber mat recommended)

Step 1: Place the reflector housing face down on your work surface so that the concave

reflector surface points downward.

Step 2: Loosen the clutch and rotate the yoke so that it is perpendicular to the housing

at roughly a 90° angle. Tighten the clutch.

Step 3: Using the yoke as your handle, raise the housing assembly off of the work

surface a few inches and then firmly tap the housing on the work surface. This

should force the reflector out of its clips.

Step 4: Carefully lift the housing to see if the reflector is released. If it is not, repeat step

3 with slightly more force.

Installing reflector

Step 1: Place the reflector housing casting (1-2) on a flat work surface with the large

opening facing up.

Step 2: Install the reflector support spring (4) in the circular opening at the base of the

casting.

Step 3: Insert the reflector (9) at an angle, under any three adjacent legs of the reflector's

clips.

Step 4: Gently press down on the opposite side of the reflector until it snaps into place

under the remaining clips.

WARNING:

This procedure may crack or break the reflector. Always wear gloves, safety

glasses, and a dust mask when performing this procedure.

Note:

The following assumes all four reflector retainer clips (2) have already been

riveted to the reflector housing casting (1) and the gate bushings (3) installed on

the retainer clips. See Figure 8.

Note:

If the reflector does not snap in, turn the casting over. Gently pull on the side of

the reflector that has not snapped in until the rest of the reflector slides into place.

Step 3 Step 4

Under three

adjacent clips.

10 Source Four Assembly Guide

Cleaning reflector

Remove dust with a blast of oil-free air or wipe with a clean, lint-free cloth. Isopropyl alcohol,

distilled water or a 50%-50% mixture of each can be used to clean the glass surface.

WARNING:

Do not use ammonia-based or other harsh commercial cleaners. Clean

reflector only as directed.

Commercially available glass cleaning agents should be avoided as they

may contain ammonia, other harsh chemical detergents or abrasive agents.

These cleaners may damage the glass surface and the Anti-Reflective

coatings. Do not immerse or soak the glass in any cleaning solution.

Shuttle Barrel Assembly 11

Shuttle Barrel Assembly

Reference

Number

Part

Number

Description Quantity

Required

1 7060A2025 Shutter blade assembly 4

2 7060A3001-01 Plate, divider with dimples (bottom) 1

3 7060A3001-02 Plate, divider (top) 1

4 7060A3003 Plate, gate (middle) 2

5 7060A3045 Cover, Iris Slot, Black 1

6 7060A3052 Shutter barrel, top casting, Black 1

7 7060A3053 Shutter barrel, bottom casting, Black 1

8 7060A4006 Shutter blade handle 4

9 HW3165 Screw, 8/32 x 1/2, PhPH Taptite Blz 4

10 HW232 Screw, 6-32 x 1/4” (Slot cover retention - pre 11/99) 2

11 HW372 Screw, 8-32 x 1/4” (begins 11/99) 2

12 HW370 Nut, Ny-lok, 8/32, black zinc 4

13 HW391 Screw, 8-32 x 3/4” PhPHMS, black zinc 4

14 HW754 Shutter spring 4

Note:

Any part that is indicated as “Black” may be also ordered in white or silver. When

ordering white, use the part number suffix -1, and for silver, use the part number

suffix -5.

Shutter Assembly: The bottom divider plate

(4) has four dimples punched into the surface;

the top plate (6) has none. The middle divider

plates (5) are noticeably thinner-gauge metal

than the other two.

See detail to

the right

Figure 12

Figure 13

12 Source Four Assembly Guide

Assembling front barrel

Tools Required:

• #2 Phillips head screwdriver

Step 1: Stand the top and bottom front barrel castings (6 and 7) upright with the shutter

end of the castings toward the bottom.

Step 2: Slide the bottom divider plate (2), into its place in the bottom casting (7). The

dimples on the divider plate must point down.

Step 3: With the bottom barrel casting (7) to your left, place two shutter blades (8) on top

of dimple plate (2) and opposite each other so together they form a barrier. The

handles should extend past the barrel casting, rivets pointed down. These will be

the side shutters (See Figure 13).

Step 4: Place a divider plate (4) on top of the two shutter blades.

Step 5: Place another shutter blade on top of the middle divider plates and perpendicular

to the previously installed shutter blades. This will be the top shutter, so align the

handle away from the bottom casting (7). Then place the other divider plate on

top.

Step 6: Place the fourth shutter blade on top of the divider and through the bottom

casting in the final shutter position. Pull the blade and plate assembly slightly

forward to allow the handle to slip through the slot in the bottom casting. Then

fully seat the blader assembly into the casting again.

Step 7: Place the top divider plate (3) on top of the fourth shutter blade.

WARNING:

During assembly, the shutter springs can pop out of place. Always wear

protective eyewear during this procedure.

Note:

The top front barrel casting contains the iris slot.

Note:

The bottom divider plate (2) has four dimples punched into the surface; the top

plate (3) has none. The middle divider plates (4) are noticeably thinner-gauge

metal than the other two.

The notches on the divider plates must fit against the flanges in the casting so the

plates do not move.

WARNING:

Divider plate edges are sharp. Handle with caution.

Note:

Make sure no shutter assembly components are under the pattern holder guides.

Shuttle Barrel Assembly 13

Step 8: With both front barrel castings still standing upright, join the two halves, sliding

the handle of the top shutter blade through the slot in the top front barrel casting

(6).

Step 9: Starting at the bottom of the castings (closest to the shutters), use four PHMS

screws (5) to fasten the front barrel casting halves together, as shown. Hand

tighten only (25 inch pounds).

Step 10: Turn the front barrel assembly over so that the narrower end is on your work

surface.

Step 11: Install the four shutter springs (14) between the four dimples in the shutter plate

and the tabs in the lip of the casting.

Step 12: Place iris slot cover (5) over the iris slot. Use two screws (11) to secure the cover.

Note:

The ends of the two front barrel castings must be even. Adjust as necessary

before completely tightening the nuts and screws. Failure to do this could interfere

with the barrel rotation.

Note:

Install the springs at the joints in the castings on either of the tabs at the joint. Once

they are installed, the springs at the joints will sit at a slight angle.

14 Source Four Assembly Guide

Lens Tubes - 19° to 50°

Reference

Number

Part

Number

Description Quantity

Required

1 7060A3169 Lens Tube, left casting, Black (rev. J begins 01/06 to present) 1

2 7060A3171 Lens Tube, right casting, Black (rev J. begins 01/06 to present) 1

3 7060A4077 Aspheric lens, 19° (begins 10/98) 1

4 7060A4001 Aspheric lens, 26° 1

5 7060A4020 Meniscus lens (front), 36° 1

6 7060A4021 Bi-convex lens (back), 36° 1

7 7060A4004 Aspheric lens, 50° 1

8 7060A3079 Clip, gel retainer, 90° bend 1

9 7060A4008-01 Knob set with male insert 1

10 7060A4009 Bushing, guide 8

11 7060A4012 Pad, lens support 5

12 HW3154 Screw, Phillips, 8-32 x 5/8 Taptite 4

13 HW5143 Washer, flat fiber 1

14 HW534 Nut, Hex, 1/4-20, black zinc 2

15 HW750 Spring, retainer 1

16 7060A4033 19° Lens tube label, white text (for black fixtures) 1

17 7060A4034 26° Lens tube label, white text (for black fixtures) 1

18 7060A4035 36° Lens tube label, white text (for black fixtures) 1

19 7060A4036 50° Lens tube label, white text (for black fixtures) 1

20 7060A4073 19° Lens tube label, black text (for white fixtures) 1

21 7060A4074 26° Lens tube label, black text (for white fixtures) 1

22 7060A4075 36° Lens tube label, black text (for white fixtures) 1

23 7060A4076 50° Lens tube label, black text (for white fixtures) 1

Note:

Any part that is indicated as “Black” may be also ordered in white or silver. When

ordering white, use the part number suffix -1, and for silver, use the part number

suffix -5.

Figure 14

Note: Lenses are degree

specific. Do not interchange

lenses (i.e. do not place a

19° lens in a 26° slot).

Lens Tubes - 19° to 50° 15

Assembling lens tube - 19° to 50°

Lens Positions

The lens tube casting can accept either original or Enhanced Definition (ED) lenses. The

lens positions are color-coded within the lens casting to match the colored dots on the

lenses (see Figure 15). Only lenses bearing at least one dot of the indicated color should

be placed in that position.

Figure 15

Blue



BLU

36ED

19ED

50ED

Yellow



YLW

26ED

Green



GRN

50ED

Orange



ORNG

36ED

Black



BLK

Red



RED

19ED

26ED

Align lens dots toward this end

16 Source Four Assembly Guide

Lens Markings

The lenses are color-coded for identification. Normal lenses have a single dot of color while

Enhanced Definition lenses have a combination of white dots and color dots. See Figure 16

for lens color coding.

Standard Lenses

19°

26°

36°

50°

19° ED

26° ED

36° ED

50° ED

Rear lens - 1 white dot & 1 blue dot

Front lens - 1 white dot & 1 red dot

Rear lens - 1 white dot & 1 yellow dot

Front lens - 1 white dot & 2 red dots

Rear lens - 1 white dot & 2 blue dots

Front lens - 1 white dot & 1 orange dot

Rear lens - 1 white dot & 3 blue dots

Front lens - 1 white dot & 1 green dot

Lens - Red Dot*

(one or two dots)

Lens - Black Dot*

(one or two dots)

Lens - Yellow Dot*

(one or two dots)

Rear lens - Blue dot

Front lens - Orange dot

Align lens dots toward this end

Enhanced Definition

Lenses

Figure 16

* Some pre-2006 fixtures have lenses with two color code dots. There is no difference between lenses with

one dot or two dots.

Lens Tubes - 19° to 50° 17

For maximum gel life with specific lens tubes, refer to the tables below.

Assembling the lens tube

Tools Required:

• #2 Phillips head screwdriver

Step 1: Place the left and right lens tubes (1 & 2) face up on your work surface. Align the

tubes so the colorframe grooves are to your left.

Step 2: Install lens support pads (11) as required inside both lens tubes. Four pads are

required per lens. Insert pads short-side down, as shown in Figure 14.

Step 3: Install the 1/4-20 hex nut (14) in the left lens tube as shown.

Step 4: Install the short end of the gel retainer clip (8) in the left lens tube (1).

Step 5: Position the clip in the forward, locked position, then install the retainer spring

(15) on the clip.

Step 6: Install the required lens (or lenses) (3, 4, 5, 6, 7, or 8) in the correct position as

shown on Figure 15.

Step 7: See Figure 14. Invert the right lens tube (2) and hold it above the left lens tube

(1). Fit the clip (8) and spring (15) into the right lens tube. Gently place the right

lens tube onto the left lens tube, making sure that the 1/4-20 hex nut and

Lens Tube Soft Focus Back

(Lamp “flat”)

Sharp Focus

(Lamp “cosine”)

Soft Focus Forward

(Lamp “peak”)

Soft Focus Forward

(Lamp “cosine”)

19° worse better better not applicable

26° worse better better not applicable

36° better better worse not applicable

50° worse better better not applicable

ED Lens Tube Soft Focus Back

(Lamp “flat”

Sharp Focus

(Lamp “cosine”)

Soft Focus Forward

(Lamp “peak”)

Soft Focus Forward

(Lamp “cosine”)

19° worse better better not applicable

26° better better worse not applicable

36° better better worse not applicable

50° better better worse not applicable

Note:

Install the lens with the painted dot facing the front of the tube. Seat the lens in the

support pads so the dot remains visible.

Figure 18

Lens support pad

Lens

Lens holder

casting

Hex nut

Lens holder casting

Figure 17

18 Source Four Assembly Guide

retaining clip assembly stay properly seated. Make sure the lens stays straight

by looking into the lens holder. The top edge of the lens should seat properly in

the support pads.

Step 8: Install the PHMS screws (12) in four locations with Ny-lok nuts (14). The PHMS

screw location on the bottom of the colorframe holder is threaded and does not

require a Ny-lok nut. Hold the nuts tight against the casting and torque the screws

to 25 inch pounds.

Step 9: Install the eight bushing guides (10). Point the narrow tab on the bottom toward

the back of the tube; point the square tab toward the front. Squeeze the guides

slightly so they bend in the middle then snap into place. Make sure the rounded

side of the guide faces outward from the tube.

Cleaning glass lens - 19° to 50° and all EDLT lenses

Remove dust with a blast of oil-free air or wipe with a clean, lint-free cloth. Isopropyl alcohol,

distilled water or a 50%-50% mixture of each can be used to clean the glass surface.

WARNING:

Do not use ammonia-based or other harsh commercial cleaners. Clean lens

only as directed.

Commercially available glass cleaning agents should be avoided as they

may contain ammonia, other harsh chemical detergents or abrasive agents.

These cleaners may damage the glass surface and the Anti-Reflective

coatings. Do not immerse or soak the glass in any cleaning solution.

See

Detail

“A”

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ETC Source Four LED Series Assembly Manual

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